659759360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 144

約数和(自身を含む): 1758167040

約数和(自身を除く): 1098407680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1279, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2558, 3224, 3328, 3968, 4030, 4160, 4960, 5116, 6395, 6448, 7936, 8060, 8320, 9920, 10232, 12790, 12896, 16120, 16627, 16640, 19840, 20464, 25580, 25792, 32240, 33254, 39649, 39680, 40928, 51160, 51584, 64480, 66508, 79298, 81856, 83135, 102320, 103168, 128960, 133016, 158596, 163712, 166270, 198245, 204640, 257920, 266032, 317192, 327424, 332540, 396490, 409280, 515437, 515840, 532064, 634384, 665080, 792980, 818560, 1030874, 1064128, 1268768, 1330160, 1585960, 1637120, 2061748, 2128256, 2537536, 2577185, 2660320, 3171920, 4123496, 4256512, 5075072, 5154370, 5320640, 6343840, 8246992, 10150144, 10308740, 10641280, 12687680, 16493984, 20617480, 21282560, 25375360, 32987968, 41234960, 50750720, 65975936, 82469920, 131951872, 164939840, 329879680, 659759360]

約数ペア:

[(1, 659759360), (2, 329879680), (4, 164939840), (5, 131951872), (8, 82469920), (10, 65975936), (13, 50750720), (16, 41234960), (20, 32987968), (26, 25375360), (31, 21282560), (32, 20617480), (40, 16493984), (52, 12687680), (62, 10641280), (64, 10308740), (65, 10150144), (80, 8246992), (104, 6343840), (124, 5320640), (128, 5154370), (130, 5075072), (155, 4256512), (160, 4123496), (208, 3171920), (248, 2660320), (256, 2577185), (260, 2537536), (310, 2128256), (320, 2061748), (403, 1637120), (416, 1585960), (496, 1330160), (520, 1268768), (620, 1064128), (640, 1030874), (806, 818560), (832, 792980), (992, 665080), (1040, 634384), (1240, 532064), (1279, 515840), (1280, 515437), (1612, 409280), (1664, 396490), (1984, 332540), (2015, 327424), (2080, 317192), (2480, 266032), (2558, 257920), (3224, 204640), (3328, 198245), (3968, 166270), (4030, 163712), (4160, 158596), (4960, 133016), (5116, 128960), (6395, 103168), (6448, 102320), (7936, 83135), (8060, 81856), (8320, 79298), (9920, 66508), (10232, 64480), (12790, 51584), (12896, 51160), (16120, 40928), (16627, 39680), (16640, 39649), (19840, 33254), (20464, 32240), (25580, 25792)]